This is a white short - sleeved T - shirt with a round neck from the luxury fashion brand Balenciaga, specifically part of their activewear line. The front prominently features the brand's logo and the word "ACTIVEWEAR" in white, making a bold statement. The T - shirt appears to be made of a comfortable fabric, suitable for both casual and athletic wear. Its simple yet stylish design reflects Balenciaga's contemporary and trendy aesthetic.